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Chemistry MCQs

Prepare for competitive exams with our topic-wise Chemistry MCQs covering fundamental and advanced concepts. These multiple-choice questions include atomic structure, chemical bonding, periodic table, acids & bases, organic chemistry, thermodynamics, chemical equations, mole concept, electrochemistry, and biochemistry. Ideal for science students and job aspirants appearing in PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and other testing services. A valuable resource for teachers, educators, and candidates targeting science educator posts, laboratory roles, and general science sections in public sector exams.

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1 Inorganic Chemistry MCQs

Bromine can be released from a potassium bromide (KBr) solution by using which substance?

  • Iodine solution (I₂)
  • Chlorine (Cl₂)
  • Sodium chloride (NaCl)
  • Potassium iodide (KI)
0 Comments
Correct Answer: B. Chlorine (Cl₂)

Explanation:

Bromine can be displaced from a potassium bromide (KBr) solution by a more ... Read More Details

2 Inorganic Chemistry MCQs

Which halogen can displace all the other halogens from their compounds?

  • Fluorine (F₂)
  • Chlorine (Cl₂)
  • Iodine (I₂)
  • Bromine (Br₂)
0 Comments
Correct Answer: A. Fluorine (F₂)

Explanation:

Halogens are elements in Group 17 of the periodic table, including fluorine (F₂), ... Read More Details

3 Inorganic Chemistry MCQs

What is the chemical formula of sodium hypochlorite?

  • NaClO
  • NaClO₂
  • NaClO₃
  • NaClO₄
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Correct Answer: A. NaClO

Explanation:

Sodium hypochlorite is an important inorganic compound with the chemical formula NaClO. It ... Read More Details

4 Inorganic Chemistry MCQs

Bleaching powder is not used for bleaching which of the following?

  • Cotton
  • Costly fabrics
  • Linen
  • Paper pulp
0 Comments
Correct Answer: B. Costly fabrics

Explanation:

Bleaching powder, chemically Ca(OCl)₂, is a widely used inorganic compound in the textile ... Read More Details

5 Inorganic Chemistry MCQs

Which of the following is not a use of fluorine compounds?

  • Antimony trifluoride (SbF₃) is used in the manufacture of pottery
  • Sodium fluoroacetate is used as a rat poison
  • Copper(II) fluoride (CuF₂) is used in the ceramic industry
  • None of the above
0 Comments
Correct Answer: D. None of the above

Explanation:

Fluorine forms a variety of inorganic compounds that have important industrial, chemical, and ... Read More Details

6 Inorganic Chemistry MCQs

Photographic plates are coated with a thin layer of which compound?

  • Silver nitrate (AgNO₃)
  • Silver iodide (AgI)
  • Silver chloride (AgCl)
  • Silver bromide (AgBr)
0 Comments
Correct Answer: D. Silver bromide (AgBr)

Explanation:

Photographic plates are used to capture images by recording light exposure. The light-sensitive ... Read More Details

7 Inorganic Chemistry MCQs

Which of the following statements about halogens is correct?

  • Chlorine (Cl₂) is the strongest oxidizing agent
  • Iodine (I₂) is a volatile solid
  • Bromine (Br₂) is more reactive than chlorine (Cl₂)
  • Chlorine (Cl₂) is insoluble in water
0 Comments
Correct Answer: A. Chlorine (Cl₂) is the strongest oxidizing agent

Explanation:

Halogens are elements found in Group 17 of the periodic table. The common ... Read More Details

8 Organic Chemistry MCQs

Which halogen is used in Teflon?

  • Iodine (I₂)
  • Bromine (Br₂)
  • Chlorine (Cl₂)
  • Fluorine (F₂)
0 Comments
Correct Answer: D. Fluorine (F₂)

Explanation:

Teflon is a widely used polymer known for its non-stick and chemical-resistant properties. ... Read More Details

9 Inorganic Chemistry MCQs

Which of the following is the paramagnetic oxide of chlorine?

  • Cl₂O₇
  • Cl₂O₆
  • ClO₂
  • All of the above
0 Comments
Correct Answer: C. ClO₂

Explanation:

Chlorine forms several oxides, including Cl₂O₇, Cl₂O₆, and ClO₂. Among these, chlorine dioxide ... Read More Details

10 Inorganic Chemistry MCQs

The color of chlorine gas (Cl₂) is ?

  • Pale yellow
  • Greenish yellow
  • Reddish brown
  • Grayish black
0 Comments
Correct Answer: B. Greenish yellow

Explanation:

Chlorine (Cl₂) is a halogen element in Group VII A of the periodic ... Read More Details

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